
                           EXHIBIT INDEX

Page No.              Identification and Classification of the Subsidiary
     6                Which Acquired the Security Being Reported on by the 
                      Parent Holding Company.

<PAGE>

                             EXHIBIT

      Identification of the Relevant Subsidiary

The Aetna Casualty and Surety Company, and insurance company and
wholly-owned subsidiary of Aetna Life and Casualty Company.

      4,611,300 shares of Common Stock; Par Value $.01

